Contributed a targeted data-entry enhancement to the NclRSE-Training/countries repository by introducing a structured record for JemmasRegion. Focused on accurate documentation and data entry, the work involved defining fields for population, region type, and historical existence, using text-based formats to ensure clarity and consistency. This addition established an initial data model for JemmasRegion, supporting future analytics and reporting needs while improving data completeness and governance. The update also included a rationale for the region’s existence, enhancing traceability. No bugs were addressed during this period, with efforts concentrated on foundational data structuring and documentation to enable downstream analytical workflows.